Homogentisic acid stone--a rare form of prfstatic obstruction.
D000368:Aged; D000474:Alkaptonuria / Q000150:complications* / Q000601:surgery; D002137:Calculi / Q000209:etiology*; D003558:Cystoscopy; D006801:Humans; D008297:Male; D010648:Phenylacetates / Q000032:analysis*; D011469:Prostatic Diseases / Q000209:etiology*
D010648:Phenylacetates